Pierre R. De Roo

Person

Schoten, BE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of preparing dispersions of photographically useful compounds
- Patent number 5,753,390
- Issue date May 19, 1998
- Agfa-Gevaert, N.V.
- Pierre De Roo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Triboelectrically chargeable magnetic carrier particles having magn...
- Patent number 4,906,547
- Issue date Mar 6, 1990
- AGFA-GEVAERT N.V.
- Serge M. Tavernier
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophoretic development of electrostatic charge images
- Patent number 4,761,357
- Issue date Aug 2, 1988
- AGFA-GEVAERT N.V.
- Serge M. Tavernier
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic toner comprising thermoplastic resin binder for nigro...
- Patent number 4,525,445
- Issue date Jun 25, 1985
- AGFA-GEVAERT N.V.
- Pierre R. De Roo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fusible electrostatically attractable toner
- Patent number 4,478,923
- Issue date Oct 23, 1984
- AGFA-GEVAERT N.V.
- Pierre R. De Roo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner composition for electrostatic image development
- Patent number 4,331,755
- Issue date May 25, 1982
- AGFA-GEVAERT N.V.
- Yvan K. Gilliams
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composition of matter and method for electrostatic image development
- Patent number 4,271,249
- Issue date Jun 2, 1981
- AGFA-GEVAERT N.V.
- Yvan K. Gilliams
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatographic developers comprising a carrier bead coated wit...
- Patent number 4,039,463
- Issue date Aug 2, 1977
- Agfa-Gevaert N.V.
- Pierre Richard De Roo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Production of a permanent conductivity pattern
- Patent number 3,998,636
- Issue date Dec 21, 1976
- Agfa-Gevaert N.V.
- Jozef Willy Van den Houte
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Pierre R. De Roo

Person

Patents Grantslast 30 patents

Method of preparing dispersions of photographically useful compounds

Triboelectrically chargeable magnetic carrier particles having magn...

Electrophoretic development of electrostatic charge images

Electrostatic toner comprising thermoplastic resin binder for nigro...

Fusible electrostatically attractable toner

Toner composition for electrostatic image development

Composition of matter and method for electrostatic image development

Electrostatographic developers comprising a carrier bead coated wit...

Production of a permanent conductivity pattern